<template>
	<el-form size="large" class="login-content-form">
		<el-form-item class="login-animation1">
			<el-input text :placeholder="$t('message.account.accountPlaceholder1')" v-model="state.ruleForm.username"
				clearable autocomplete="off">
				<template #prefix>
					<el-icon class="el-input__icon"><ele-User /></el-icon>
				</template>
			</el-input>
		</el-form-item>
		<el-form-item class="login-animation2">
			<el-input :type="state.isShowPassword ? 'text' : 'password'"
				:placeholder="$t('message.account.accountPlaceholder2')" v-model="state.ruleForm.password"
				autocomplete="off">
				<template #prefix>
					<el-icon class="el-input__icon"><ele-Unlock /></el-icon>
				</template>
				<template #suffix>
					<i class="iconfont el-input__icon login-content-password"
						:class="state.isShowPassword ? 'icon-yincangmima' : 'icon-xianshimima'"
						@click="state.isShowPassword = !state.isShowPassword">
					</i>
				</template>
			</el-input>
		</el-form-item>
		<el-form-item class="login-animation3">
			<el-col :span="15">
				<el-input text maxlength="4" :placeholder="$t('message.account.accountPlaceholder3')"
					v-model="state.ruleForm.code" clearable autocomplete="off" @keyup.enter="onSignIn">
					<template #prefix>
						<el-icon class="el-input__icon"><ele-Position /></el-icon>
					</template>
				</el-input>
			</el-col>
			<el-col :span="1"></el-col>
			<el-col :span="8" style="height: 40px">
				<img :src="code.src" class="login-content-code" @click="refreshCode" />
			</el-col>
		</el-form-item>
		<el-form-item class="login-animation4">
			<el-button type="primary" class="login-content-submit" round v-waves @click="onSignIn"
				:loading="state.loading.signIn">
				<span>{{ $t('message.account.accountBtnText') }}</span>
			</el-button>
		</el-form-item>
	</el-form>
</template>

<script setup lang="ts" name="loginAccount">
import { reactive, computed } from 'vue';
import { useRoute, useRouter } from 'vue-router';
import { ElMessage } from 'element-plus';
import { useI18n } from 'vue-i18n';
import { storeToRefs } from 'pinia';
import { useThemeConfig } from '/@/stores/themeConfig';
import { initBackEndControlRoutes } from '/@/router/backEnd';
import { Session } from '/@/utils/storage';
import { formatAxis } from '/@/utils/formatTime';
import { NextLoading } from '/@/utils/loading';
import { randomLenNum } from '/@/utils/util';
import { loginByUserName } from '/@/api/login/index';
// 定义变量内容
const { t } = useI18n();
const storesThemeConfig = useThemeConfig();
const { themeConfig } = storeToRefs(storesThemeConfig);
const route = useRoute();
const router = useRouter();
const state = reactive({
	isShowPassword: false,
	ruleForm: {
		username: 'admin',
		password: '123456',
		code: '',
		randomStr: '',
	},
	loading: {
		signIn: false,
	},
});
const code = reactive({
	src: '/code',
	value: '',
	len: 4,
	type: 'image',
});
const refreshCode = () => {
	state.ruleForm.code = '';
	state.ruleForm.randomStr = randomLenNum(code.len, true);
	code.type === 'text'
		? (code.value = randomLenNum(code.len, false))
		: (code.src = `${window.location.origin}/code?randomStr=${state.ruleForm.randomStr}`);
};
// 时间获取
const currentTime = computed(() => {
	return formatAxis(new Date());
});
// 登录
const onSignIn = () => {
	state.loading.signIn = true;
	loginByUserName(state.ruleForm.username, state.ruleForm.password, state.ruleForm.code, state.ruleForm.randomStr)
		.then(async (res) => {
			// 存储 token 到浏览器缓存
			Session.set('token', res.data.data.tokenValue);
			// 添加完动态路由，再进行 router 跳转，否则可能报错 No match found for location with path "/"
			const isNoPower = await initBackEndControlRoutes();
			// 执行完 initBackEndControlRoutes，再执行 signInSuccess
			signInSuccess(isNoPower);
		})
		.catch((error) => {
			refreshCode();
			state.loading.signIn = false;
		});
};
// 登录成功后的跳转
const signInSuccess = (isNoPower: boolean | undefined) => {
	if (isNoPower) {
		ElMessage.warning('抱歉，您没有登录权限');
		Session.clear();
	} else {
		// 初始化登录成功时间问候语
		let currentTimeInfo = currentTime.value;
		// 登录成功，跳到转首页
		// 如果是复制粘贴的路径，非首页/登录页，那么登录成功后重定向到对应的路径中
		if (route.query?.redirect) {
			router.push({
				path: <string>route.query?.redirect,
				query: Object.keys(<string>route.query?.params).length > 0 ? JSON.parse(<string>route.query?.params) : '',
			});
		} else {
			router.push('/');
		}
		// 登录成功提示
		const signInText = t('message.signInText');
		ElMessage.success(`${currentTimeInfo}，${signInText}`);
		// 添加 loading，防止第一次进入界面时出现短暂空白
		NextLoading.start();
	}
	state.loading.signIn = false;
};
refreshCode();
</script>

<style scoped lang="scss">
.login-content-form {
	margin-top: 20px;

	@for $i from 1 through 4 {
		.login-animation#{$i} {
			opacity: 0;
			animation-name: error-num;
			animation-duration: 0.5s;
			animation-fill-mode: forwards;
			animation-delay: calc($i/10) + s;
		}
	}

	.login-content-password {
		display: inline-block;
		width: 20px;
		cursor: pointer;

		&:hover {
			color: #909399;
		}
	}

	.login-content-code {
		width: 100%;
		padding: 0;
		font-weight: bold;
		letter-spacing: 5px;
	}

	.login-content-submit {
		width: 100%;
		letter-spacing: 2px;
		font-weight: 300;
		margin-top: 15px;
	}
}
</style>
